Portie
Best macOS Network Utility Alternatives, Compared (2026)
Apple removed Network Utility years ago. Here's an honest comparison of what replaced it: native GUI apps, a traceroute specialist, and the command-line standard. Tested by a developer who builds these tools.
Portie Is Live
Announcing Portie, a native macOS app that shows every open port on your Mac, identifies which app owns it, and lets you kill it with no terminal required.